Math, asked by Himanshisharma9528, 3 months ago

(5-√7) (5-√7) what is the answer​

Answers

Answered by vansh8584
7

Answer:

18

Step-by-step explanation:

(5-√7)(5+√7)

{applying (a+b)(a-b)= a²- b²}

(5)²-(√7)²

25-7

=18

Answered by DDR108
55

 (5-√7) (5-√7)

=(5-√7)^2

(by using the identity (a-b)^2=a^2 + b^2 - 2ab)

=25+7-2x5x√7

=5.54248688935

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